/* Login Page Styles */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    position: relative;
    z-index: 1;
}

.login-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1000px;
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Left Side - Branding */
.login-branding {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(123, 45, 255, 0.05));
    padding: 48px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.login-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 40px;
    transition: color 0.3s ease;
}

.login-back:hover {
    color: var(--accent-primary);
}

.login-back svg {
    width: 18px;
    height: 18px;
}

.login-brand-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: 48px;
}

.login-logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-logo-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--bg-primary);
}

.login-brand-cn {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-branding h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(90deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-tagline {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 48px;
    line-height: 1.6;
}

.login-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.login-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.login-feature svg {
    width: 20px;
    height: 20px;
    stroke: var(--accent-primary);
    flex-shrink: 0;
}

.login-stats {
    display: flex;
    gap: 32px;
    margin-top: auto;
    padding-top: 48px;
    border-top: 1px solid var(--border-subtle);
}

.login-stat {
    text-align: center;
}

.login-stat-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 4px;
}

/* Right Side - Form */
.login-form-container {
    padding: 48px;
    display: flex;
    flex-direction: column;
}

.login-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    background: var(--bg-secondary);
    padding: 4px;
    border-radius: 12px;
}

.login-tab {
    flex: 1;
    padding: 12px 24px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.login-tab.active {
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.login-tab:hover:not(.active) {
    color: var(--text-primary);
}

.login-form {
    display: none;
    flex-direction: column;
    gap: 20px;
}

.login-form.active {
    display: flex;
}

.form-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.form-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.password-input-wrapper {
    position: relative;
}

.password-input-wrapper .form-input {
    padding-right: 48px;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: var(--text-secondary);
}

.password-toggle svg {
    width: 20px;
    height: 20px;
}

.form-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 5px;
    height: 9px;
    border: solid var(--bg-primary);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.forgot-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: opacity 0.3s ease;
}

.forgot-link:hover {
    opacity: 0.8;
}

.btn-full {
    width: 100%;
    padding: 8px 24px;
    font-size: 0.85rem;
    min-height: 40px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.social-login {
    display: none;
}

.social-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.social-divider::before,
.social-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}

.social-divider span {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.social-buttons {
    display: flex;
    gap: 12px;
}

.social-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
}

.social-btn:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
}

.social-btn svg {
    width: 18px;
    height: 18px;
}

.link {
    color: var(--accent-primary);
    text-decoration: none;
}

.link:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 900px) {
    .login-container {
        grid-template-columns: 1fr;
        max-width: 500px;
    }

    .login-branding {
        padding: 32px;
    }

    .login-branding h1 {
        font-size: 2rem;
    }

    .login-features {
        display: none;
    }

    .login-stats {
        justify-content: center;
    }
}

@media (max-width: 500px) {
    .login-form-container {
        padding: 32px 24px;
    }

    .social-buttons {
        flex-direction: column;
    }
}